/* 添加一些基本的样式 */
body {
    font-family: Arial, sans-serif;
}
table {
    border-collapse: collapse;
    width: 100%;
}
th, td {
    border: 1px solid #dddddd;
    text-align: center;
    padding: 8px;
}
th {
    background-color: #4CAF50;
    text-align: center;
}
.table-button {
    text-align: center;
}
.table-button a {
    margin: 0 5px;
    border: 1px solid #ccc;
    padding: 2px 5px;
    text-decoration: none;
}
.table-button a:first-child{
    background-color: #4CAF50;
    color: #fff;
}
.table-button a:last-child{
    background-color: #f44336;
    color: #fff;
}

.error{
    color: red;
    font-weight: bold;
    font-size: 20px;
}
.img img{
    width: 100px;
    height: 100px;
    border-radius: 50%;
}
h1{
    color: green;
}
a{
    text-decoration: none;
    color: #4CAF50;
    font-size: 18px;
}